Map. USGS 15' topographic quadrangle - Twin Peaks - Arizona. Scale 1:62500 - Datum NAD27. Not annotated with localities., 1957 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Charles A. and June R. P. Ross Archives, 1953-2002…
Map. USGS 15' topographic quadrangle - West Cincinnati, Ohio - Kentucky. 1914 edition, reprinted in 1933. Scale 1:62500. Not annotated with localities., 1933 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Charles A. and June R. P. Ross Archives, 1953-2002…
Map. USGS 15' topographic quadrangle - Wildcat, Nevada. Scale 1:62500. Two copies annotated with localities including PN-4095-F and PN-4100-F., 1960 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Charles A. and June R. P. Ross Archives, 1953-2002…
Map. USGS 15' topographic quadrangle - Wild Horse, Nevada. Scale 1:62500. Annotated with formational contacts, structures and features (e.g., turbidites) and localities including PN-4141., 1956 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Charles A. and June R. P. Ross Archives, 1953-2002…
Map. USGS 15' topographic quadrangle - Winchester Mts. - Arizona. Scale 1:62500 - Datum NAD27. Not annotated with localities., 1957 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Charles A. and June R. P. Ross Archives, 1953-2002…
Map. USGS 15' topographic quadrangle - Woods Canyon - Arizona. Scale 1:62500 - Datum NAD27. Not annotated with localities., 1961 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Charles A. and June R. P. Ross Archives, 1953-2002…
Map. USGS 15' topographic quadrangle - Young - Arizona. Scale 1:62500 - Datum NAD27. Not annotated with localities., 1961 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Charles A. and June R. P. Ross Archives, 1953-2002…
Map. USGS 22.5' x 10' geologic map [I-418] - S Mule Mountains, Cochise County, Arizona. Scale 1:48000. Not annotated with localities., 1964 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Charles A. and June R. P. Ross Archives, 1953-2002…
Map. USGS 2 x 1 degree topographic map - Elko, Nevada. Revised 1972 version. Scale 1:250000. One annotation indicating the type section for the Pequop Fm is circled a bit east of N Center on the map. Not annotated with localities., 1955 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Charles A. and June R. P. Ross Archives, 1953-2002…
Map. USGS 2 x 1 degree topographic map - Ely, Nevada - Utah. Revised 1971 version. Scale 1:250000. Not annotated with localities, but with markings of where to find high-quality sections of the Ely Limestone., 1956 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Charles A. and June R. P. Ross Archives, 1953-2002…